Home / 86,848.52-130,044.38-69,891.36

Finding the Fourth Proportional to 86,848.52, 130,044.38 and 69,891.36

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Solution

The fourth proportional to 86,848.52, 130,044.38 and 69,891.36 is: 104,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,848.52 : 130,044.38 = 69,891.36 : x
  2. Step 2: Convert to fraction form
    86,848.52/130,044.38 = 69,891.36/x
  3. Step 3: Cross multiply
    86,848.52x = 130,044.38 × 69,891.36
  4. Step 4: Simplify right side
    86,848.52x = 9,088,978,229.10
  5. Step 5: Solve for x
    x = 9,088,978,229.10/86,848.52
  6. Step 6: Final answer
    x = 104,653.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.